15

Questions
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237
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Can one make the category of pairs of topological spaces a model category?

apr 29 at 18:12 David White 4,860●1●20●27

 
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132
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Is there a picture I should have in my head of rational homotopy equivalence?

apr 17 at 19:37 Joseph Victor 555●6

 
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92
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When is a differential abelian group a chain complex, and when can you extend maps from a projective resolution?

mar 13 at 1:49 Joseph Victor 555●6

 
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1
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165
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Finding a subspace disjoint from a union of subspaces

jan 3 at 18:19 Chris Godsil 5,674●1●8●22

 
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138
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Computing Slim Extensions representing Ext

nov 26 at 18:11 Joseph Victor 555●6

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372
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Do people still use Massey Products for computations in the Adams Spectral Sequence

nov 16 at 17:54 Peter May 12.1k●1●38●54

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1
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224
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Image of J in the classical Adams Spectral Sequence

sep 3 at 19:50 Christian Nassau 887●3●7

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4
answers
713
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Universal Property of the Smash Product (of pointed spaces)

aug 29 at 13:39 Peter May 12.1k●1●38●54

 
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1
answer
372
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what do empty parens symbol mean?

aug 17 at 6:07 David Roberts 11.7k●2●18●55

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4
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2
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459
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Why are cup-i products and Steenrod Squares often (always?) unary?

aug 11 at 14:42 Peter May 12.1k●1●38●54

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